/*
 * Copyright © 2004-2021 L2J Server
 * 
 * This file is part of L2J Server.
 * 
 * L2J Server is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * L2J Server is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.l2jserver.gameserver.model;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.l2jserver.gameserver.datatables.SkillData;
import com.l2jserver.gameserver.model.holders.SkillHolder;

/**
 * Class hold information about basic pet stats which are same on each level.
 * @author JIV
 */
public class L2PetData {
	private final Map<Integer, L2PetLevelData> _levelStats = new HashMap<>();
	private final List<L2PetSkillLearn> _skills = new ArrayList<>();
	
	private final int _npcId;
	private final int _itemId;
	private int _hungryLimit = 1;
	private int _minLvl = Byte.MAX_VALUE;
	private boolean _syncLevel = false;
	private final List<Integer> _food = new ArrayList<>();
	
	public L2PetData(int npcId, int itemId) {
		_npcId = npcId;
		_itemId = itemId;
	}
	
	/**
	 * @return the npc id representing this pet.
	 */
	public int getNpcId() {
		return _npcId;
	}
	
	/**
	 * @return the item id that could summon this pet.
	 */
	public int getItemId() {
		return _itemId;
	}
	
	/**
	 * @param level the pet's level.
	 * @param data the pet's data.
	 */
	public void addNewStat(int level, L2PetLevelData data) {
		if (_minLvl > level) {
			_minLvl = level;
		}
		_levelStats.put(level, data);
	}
	
	/**
	 * @param petLevel the pet's level.
	 * @return the pet data associated to that pet level.
	 */
	public L2PetLevelData getPetLevelData(int petLevel) {
		return _levelStats.get(petLevel);
	}
	
	/**
	 * @return the pet's hunger limit.
	 */
	public int getHungryLimit() {
		return _hungryLimit;
	}
	
	/**
	 * @return {@code true} if pet synchronizes it's level with his master's
	 */
	public boolean isSyncLevel() {
		return _syncLevel;
	}
	
	/**
	 * @return the pet's minimum level.
	 */
	public int getMinLevel() {
		return _minLvl;
	}
	
	/**
	 * @return the pet's food list.
	 */
	public List<Integer> getFood() {
		return _food;
	}
	
	/**
	 * @param foodId the pet's food Id to add.
	 */
	public void addFood(Integer foodId) {
		_food.add(foodId);
	}
	
	/**
	 * @param limit the hunger limit to set.
	 */
	public void setHungryLimit(int limit) {
		_hungryLimit = limit;
	}
	
	/**
	 * @param val synchronizes level with master or not.
	 */
	public void setSyncLevel(boolean val) {
		_syncLevel = val;
	}
	
	/**
	 * @param skillId the skill Id to add.
	 * @param skillLvl the skill level.
	 * @param petLvl the pet's level when this skill is available.
	 */
	public void addNewSkill(int skillId, int skillLvl, int petLvl) {
		_skills.add(new L2PetSkillLearn(skillId, skillLvl, petLvl));
	}
	
	/**
	 * TODO: Simplify this.
	 * @param skillId the skill Id.
	 * @param petLvl the pet level.
	 * @return the level of the skill for the given skill Id and pet level.
	 */
	public int getAvailableLevel(int skillId, int petLvl) {
		int lvl = 0;
		for (L2PetSkillLearn temp : _skills) {
			if (temp.getSkillId() != skillId) {
				continue;
			}
			if (temp.getSkillLvl() == 0) {
				if (petLvl < 70) {
					lvl = (petLvl / 10);
					if (lvl <= 0) {
						lvl = 1;
					}
				} else {
					lvl = (7 + ((petLvl - 70) / 5));
				}
				
				// formula usable for skill that have 10 or more skill levels
				int maxLvl = SkillData.getInstance().getMaxLevel(temp.getSkillId());
				if (lvl > maxLvl) {
					lvl = maxLvl;
				}
				break;
			} else if (temp.getMinLevel() <= petLvl) {
				if (temp.getSkillLvl() > lvl) {
					lvl = temp.getSkillLvl();
				}
			}
		}
		return lvl;
	}
	
	/**
	 * @return the list with the pet's skill data.
	 */
	public List<L2PetSkillLearn> getAvailableSkills() {
		return _skills;
	}
	
	public static final class L2PetSkillLearn extends SkillHolder {
		private final int _minLevel;
		
		/**
		 * @param id the skill Id.
		 * @param lvl the skill level.
		 * @param minLvl the minimum level when this skill is available.
		 */
		public L2PetSkillLearn(int id, int lvl, int minLvl) {
			super(id, lvl);
			_minLevel = minLvl;
		}
		
		/**
		 * @return the minimum level for the pet to get the skill.
		 */
		public int getMinLevel() {
			return _minLevel;
		}
	}
}
